993 causes of non wetting on enig surfaces results

SMTnet Express - April 15, 2021

Flux Collection and Self-Clean Technique in Reflow Applications

Journal of SMT Articles

Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/journal.cfm

. Abstract 28-4 Assessment of the Effect Of Mean Temperature on Thermal Cycling Reliability of SAC Solder Joints Using Leading Indicators of Failure Pradeep Lall, Ph.D., and Kazi Mirza Abstract 28-3 Non-destructive Evaluation of Solder Ball Quality under

Surface Mount Technology Association (SMTA)

  Two reasons product does not solder   Oxidized intermetallic coating   Exposed intermetallic surfaces   Contamination of the surfaces to be soldered 10 Specification Wetting Requirements for Class 3 Products 11 Types of Solderability Defects 12 Poor Wetting And Its Causes

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